
Jewellery - Determination of platinum in platinum jewellery alloys - Gravimetric method after precipitation of diammonium hexachloroplatinate (ISO 11210:2014)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Jewellery - Determination of platinum in platinum jewellery alloys - Gravimetric method after precipitation of diammonium hexachloroplatinate (ISO 11210:2014)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻